GB784587A - Improvements in method and apparatus for the production of pure iron, and iron carbon alloys including carbon and alloy steel - Google Patents

Improvements in method and apparatus for the production of pure iron, and iron carbon alloys including carbon and alloy steel

Info

Publication number
GB784587A
GB784587A GB7971/55A GB797155A GB784587A GB 784587 A GB784587 A GB 784587A GB 7971/55 A GB7971/55 A GB 7971/55A GB 797155 A GB797155 A GB 797155A GB 784587 A GB784587 A GB 784587A
Authority
GB
United Kingdom
Prior art keywords
furnaces
electric
iron
furnace
pipes
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB7971/55A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
VINCENZO STEFANO ARATA
Original Assignee
VINCENZO STEFANO ARATA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by VINCENZO STEFANO ARATA filed Critical VINCENZO STEFANO ARATA
Priority to GB7971/55A priority Critical patent/GB784587A/en
Publication of GB784587A publication Critical patent/GB784587A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/12—Making spongy iron or liquid steel, by direct processes in electric furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5294—General arrangement or layout of the electric melt shop
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Iron (AREA)

Abstract

784,587. Reducing iron ores. ARATA, V. March 18, 1955, No. 7971/55. Class 72 A method for the production of iron and iron carbon alloys from ores consists of the operation of a plant comprising one or more units consisting of two or more electric furnaces connected in parallel with respect to the flow of solid charge materials and evolved gases and one or more preheating furnace connected in series with the electric furnaces and in parallel with one another when two or more are used, the cycle of each individual electric furnace including a reduction period-during which the evolved gases preheat the solid charge in the preheating furnace, a refining period in which the electric furnace is disconnected from the remainder of the unit, and a repair period. As shown, two rotary kiln furnaces 2, 2<SP>1</SP> fed by screw conveyers 1, 1<SP>1</SP> with ore, reducing agents and slag-forming materials are connected in parallel with each other and in series with two electric furnaces 10, 10<SP>1</SP> by-pipes 7, 7<SP>1</SP> having valves 5, 6 so that the product of the rotary furnaces may be supplied to either electric furnace. The gases evolved in the electric furnaces are led to a main through pipes 11, 11<SP>1</SP> from which they may be supplied to the rotary furnaces, air being, supplied to support combustion therein. In order to ensure even distribution of the charge in the electric furnaces the pipes 7, 7<SP>1</SP> may divide into two. If more than one unit is employed the gas main may be common to all units and the gas may be maintained at a pressure slightly above atmospheric pressure. The electric furnaces are isolated from the rest of the unit during the refining process so that though the process as a whole is continuous, the refining process is batchwise. At the end of the refining process the electric furnace may be repaired before recharging. U.S.A. Specification 2,747,985 is referred to
GB7971/55A 1955-03-18 1955-03-18 Improvements in method and apparatus for the production of pure iron, and iron carbon alloys including carbon and alloy steel Expired GB784587A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7971/55A GB784587A (en) 1955-03-18 1955-03-18 Improvements in method and apparatus for the production of pure iron, and iron carbon alloys including carbon and alloy steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7971/55A GB784587A (en) 1955-03-18 1955-03-18 Improvements in method and apparatus for the production of pure iron, and iron carbon alloys including carbon and alloy steel

Publications (1)

Publication Number Publication Date
GB784587A true GB784587A (en) 1957-10-09

Family

ID=9843294

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7971/55A Expired GB784587A (en) 1955-03-18 1955-03-18 Improvements in method and apparatus for the production of pure iron, and iron carbon alloys including carbon and alloy steel

Country Status (1)

Country Link
GB (1) GB784587A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997028285A2 (en) * 1996-01-31 1997-08-07 Mannesmann Ag Producing stainless steels in parallel operated vessels

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997028285A2 (en) * 1996-01-31 1997-08-07 Mannesmann Ag Producing stainless steels in parallel operated vessels
WO1997028285A3 (en) * 1996-01-31 1997-09-18 Mannesmann Ag Producing stainless steels in parallel operated vessels
CN1064999C (en) * 1996-01-31 2001-04-25 曼内斯曼股份公司 Producing stainless steel in parallel operated vessels

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